United Have Two Strikers

Louis Saha is out of Tuesday's Champions League game due to a knee injury.

Nemanja Vidic will travel after sitting out the trip to Villa Park as a precautionary measure but it does not ease the fears over Louis Saha.

The Frenchman will never complete a whole month without getting injured, I fear. Sir Alex bravely announced that we won't buy anyone in January but counting Saha as a valuable member of the squad is in fact a very dangerous gamble.

And it can backfire spectacularly. To put it simply: at the moment we have two strikers whom we can fully trust. I was always patient with Saha, as patient as Sir Alex himself but it was enough. By and large he can't be counted as a member of the squad. He's just someone who can occasionally help us out when, due to amazingly extraordinary circumstances, he's fit. A luxury back-up, nothing else.

Back to Vidic now. He's still a doubt, as Sir Alex confirmed. With Wes Brown and John O'Shea back, and Gerard Piqué in imperious form, it's not a big problem. We must be careful about Nemanja, head injuries can have nasty consequences at times. The Arsenal game should be viewed as the most important so unless Vidic is 100 percent fit, we should not risk him.